// File: ActionClose.java
// Classes: ActionClose
// Author: Kedar Patankar

package edu.neu.ccs.demeter.tools.apstudio.graphedit;

public class ActionClose extends Action
{
// executeit resets this and doIt sets it if any error/cancel occurs during its course of execution	
	private boolean _userCancelled; 

	public ActionClose(Editor e,Document d) { super(e,d);}
	
	public String name() { return "Close class dictionary File"; }

	public boolean executeIt()
	{
		_userCancelled=false;
		doIt();
		return !_userCancelled;
	}

	public void doIt() 
	{
		if(!_document.gcdNeedsSaving())
			shutDown();
		else
		{	
			String title="Confirm File Close";
			String message1="Save changes to class graph?";
			String message2=_document.getDocName();
			String buttonString="YNC";
			AlarmDialog ad = new AlarmDialog(_editor,title,message1,message2,buttonString,"Y");
			ad.setVisible(true);

			String choice = ad.getChoice();

			if(choice.equals("YES"))
			{
				ActionSave act=new ActionSave(_editor,_document);
				if(act.executeIt())
					shutDown();
				else
					_userCancelled = true;
			}
			else
			if(choice.equals("CANCEL"))
				_userCancelled = true;
			else
				shutDown();
		}
		
	}

	public void undoIt() { }

	private void shutDown()
	{
		_editor.detach(_document.getDocName(),_document);
	}

} /* end class ActionClose */